"Guinea" is gold British coin which produced in Great Britain between 1663 and 1814. This coin contained approximately one-quarter of an ounce of gold.

https://www.royalmint.com/our-coins/ranges/guinea/

black gloves used as an accessory for men and women back then.

https://collections.vam.ac.uk/item/O135229/pair-of-mittens-unknown/

"Spleen" a verb meaning deep anger.

meaning; someone who have power, influence and authority .

Member of a royal family which no longer held a thrones of France and Naples.

https://www-oed-com.proxymu.wrlc.org/view/Entry/22092?redirectedFrom=Bourbon+#eid

"Polonius" was a character in William Shakespeare's Hamlet. This character "Polonius" gave an advice to his son laertes.

pen, ink and paper was tool for writing and drawing in 18th century.

https://collections.vam.ac.uk/item/O1242684/book-of-etchings-from-papers-print-elizabeth-upton/

https://collections.vam.ac.uk/item/O15498/pen-box-and/

it is a character name. meaning: a person nickname who borne as a servant or soldier. it also means flower.

https://www.ancestry.com/name-origin?surname=lafleur#:~:text=French%3A%20ornamental%20surname%20borne%20by,'%20%2B%20the%20definite%20article%20la.

French form of opera which spoken dialogue alternates with self-contained musical numbers.

https://www.britannica.com/art/opera-comique

meaning; that does not prevent that.